Lake Arthur, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Arthur, a town in Vermilion County, Louisiana.
Overnight
63°F
Chance Rain Showers
A chance of rain showers before 2am. Mostly cloudy, with a low around 63. North wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Lake Arthur
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Chance Rain Showers | 5 to 10 mph N | 41% |
| Wednesday | 75°F | Sunny | 0 to 10 mph N | 0% |
| Wednesday Night | 54°F | Clear | 0 mph | 0% |
| Thursday | 77°F | Sunny | 0 to 5 mph N | 0% |
| Thursday Night | 59°F | Partly Cloudy | 0 to 5 mph N | 8% |
| Friday | 79°F | Sunny | 5 to 10 mph NE | 3% |
| Friday Night | 56°F | Partly Cloudy | 5 to 10 mph NE | 2% |
| Saturday | 73°F | Mostly Sunny | 10 mph NE | 0% |
| Saturday Night | 50°F | Mostly Cloudy | 10 mph NE | 5% |
| Sunday | 66°F | Mostly Sunny | 5 to 10 mph N | 9% |
| Sunday Night | 46°F | Partly Cloudy | 5 mph N | 5% |
| Monday | 68°F | Sunny | 5 mph N | 5% |
| Monday Night | 46°F | Mostly Clear | 0 to 5 mph N | 1% |
| Tuesday | 72°F | Sunny | 0 to 5 mph N | 3% |
Forecast source: National Weather Service (api.weather.gov) for Lake Arthur (30.080, -92.677). Updated through the day.
Growing snapshot for Lake Arthur
Last spring frost
Feb 10
First fall frost
Dec 11
Growing season
307 days
Hardiness zone
9a
More local growing data for Lake Arthur: nearby ZIP 70542 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lake Arthur 7 Sw, La (11 mi from Lake Arthur). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.